6 cards where the card is tagged “outlast-mentor”

Abzan Battle Priest (March of the Machine Commander #164)
Abzan Falconer (March of the Machine Commander #165)
Ainok Bond-Kin (Commander Masters #7)
Longshot Squad (Khans of Tarkir #140)
Mer-Ek Nightblade (Iconic Masters #97)
Tuskguard Captain (Commander Masters #328)

The message was clear to Sorin—time to search for something else.